diff --git a/epicardium/modules/config.c b/epicardium/modules/config.c
index 6b8bdafc9063672ac9eb85ddfe07ae4942057e49..dcbe7b86249e3afe2669452d3b2e240571b45854 100644
--- a/epicardium/modules/config.c
+++ b/epicardium/modules/config.c
@@ -269,7 +269,7 @@ void load_config(void)
 			}
 			break;
 		}
-	} while (nread == sizeof(buf));
+	} while (nread == MAX_LINE_LENGTH);
 	epic_file_close(fd);
 }